Question

1 pc
01. Seema tried to push a heavy rock of 100 kg for 200s but could not
move it. Find the work done by Seema at the end of 200s. Can a body have
momentum without possessing energy?
O 980 J; YES
O Zero; NO
o
O 100 J; YES
O Zero; YES​

Answer 1

Answer:

Given that,

Seema tried to push a heavy rock of 100kg for 200s but could not move it.

Since the rock does not move

So displacement of rock is zero

So, Work done by seema will be zero

Answer 2

Answer:

ZERO ; YES

Explanation:

WORK IS SAID TO BE DONE BY A BODY WHEN AN APPLIED AMOUNT OF FORCE DISPLACES A BODY IN THE APPLIED DIRECTION OF FORCE.

YES A BODY CAN HAVE MOMENTUM WITHOUT POSSESSING ENERGY.

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